Mathematics – Logic
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3506604z&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 6, CiteID L06604
Mathematics
Logic
Oceanography: General: Continental Shelf And Slope Processes (3002), Oceanography: General: Estuarine Processes (0442), Oceanography: General: Physical And Chemical Properties Of Seawater, Oceanography: Biological And Chemical: Sedimentation (1861)
Scientific paper
This study aims to clarify the role of dissolved salts playing in the degradation process of terrestrial dissolved organic matter (DOM) at a scale of molecular movement. The molecular thermal movement is perpetual motion. In a multi-molecular system, this random motion also causes collision between the molecules. Seawater is a multi-molecular system consisting from water, salt, and terrestrial DOM molecules. This study attributes the DOM degradation in the estuary to the inelastic collision of DOM molecule with charged salt ions. From statistic-thermodynamic theories of molecular collision, the DOM degradation model and the DOM distribution model are derived. The models are validated by the field observations and satellite data. Thus, we conclude that the inelastic collision between the terrestrial DOM molecules and dissolved salt ions in seawater is a decisive dynamic mechanism for rapid loss of terrestrial DOM.
Cao Yong
Chen Qin
Shi Jiuxin
Wang Dan
Zhao Haihong
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